Home / 47,703.92-71,476.28-21,010.16

Finding the Fourth Proportional to 47,703.92, 71,476.28 and 21,010.16

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Solution

The fourth proportional to 47,703.92, 71,476.28 and 21,010.16 is: 31,480.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,703.92 : 71,476.28 = 21,010.16 : x
  2. Step 2: Convert to fraction form
    47,703.92/71,476.28 = 21,010.16/x
  3. Step 3: Cross multiply
    47,703.92x = 71,476.28 × 21,010.16
  4. Step 4: Simplify right side
    47,703.92x = 1,501,728,079.00
  5. Step 5: Solve for x
    x = 1,501,728,079.00/47,703.92
  6. Step 6: Final answer
    x = 31,480.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.